A device with means other than fuses for automatically opening the circuit in which it is installed when the current varies from the predetermined value for which the device is set. May include provisions for manual operation. At least one set of contacts must be in series with the actuating element(s). A combination of semiconductor and passive devices may be used in lieu of contacts. For automatically operated items in which the actuating (tripping) element and contacts are not in series, see relay (as modified). For items which are operated both manually and automatically but the actuating elements and contact are not in series, see relay-switch. Excludes circuit breaker box and magneto "breaker" assemblies. See also switch (as modified); and controller.
NSN 5910-01-546-3303
NSN 5895-00-807-6558
NSN 6650-00-221-9425
NSN 5915-01-452-8815
NSN 6145-01-449-0905
NSN 5895-00-108-8474
NSN 5930-00-559-5446
NSN 6145-01-310-9066
NSN 5835-01-416-6455
NSN 5990-01-369-6915
NSN 6645-00-114-2678
NSN 6150-01-201-1144